Seiko Cal. 4550 - 909

Seiko 4550-909

This Hand-Winding model from 1986 features a 36mm Titanium case. Powered by the 4550 caliber with 23j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-66a4b956e45e]

Also known as: Turtle, Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
36mm
Case Thickness
14.7mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
90m
Dial Color
Blue Sunburst
Jewels
23j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1986

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